Perhaps you should try some spelling variations:
huang yongfu » huang ying
huang yang » huang ying, huang chang, huang jing
yang yang » wang yan
gene wang » gene bank, wen wang
wang yang » wang yan, wang liang, wang yanling
yang hong » wang hong, yang hongli, quang hong
hua gene » human gene, a gene, hua ren
hong yu » wong yue

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: dong ((((huang yang) OR (huang yongfu))) or (yang yang)) hua gene wang yang hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong ((((huang yang) OR (huang yongfu))) OR (yang yang)) hua gene wang yang hong yu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong ((((huang yang) OR (huang yongfu))) or (yang yang)) hua gene wang yang hong yu ;*".